LS59-1
To produce semifinished items (tapes, sheets, bars, tubes, rods, wires, profiles); forgings; fasteners (nuts, bolts); gears, gears, bushings.
Classification
Country | Section | Category |
---|---|---|
CIS, Russia, Ukraine | Brass (copper-zinc alloy) | Brass, pressure treated |
Chemical composition
Standard | Fe, % | Sn, % | Bi, % | Cu, % | Zn, % | Sb, % | Pb, % | P, % |
---|---|---|---|---|---|---|---|---|
GOST 15527-2004 | < 0.5 | < 0.3 | < 0.003 | 57–60 | 37.05–42.2 | < 0.01 | 0.8–1.9 | < 0.02 |
Information on suppliers
Physical characteristics
Temperature, °C | $$E\cdot 10^{9}$$, $$MPa$$ | $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ | $$\varkappa$$, $$\frac{W}{m\cdot K}$$ | $$\rho$$, $$\frac{kg}{m^3}$$ | $$c\cdot 10^{-3}$$, $$\frac{J}{kg\cdot K}$$ | $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$ |
---|---|---|---|---|---|---|
20 | 105 | 104.7 | 8400 | 0.066 | ||
100 | 20.6 | 0.3768 |
Mechanical properties at 20 °C
Brinell hardness number
Casting and technological parameters
melting point, °C | Hot working temperature, °C | annealing temperature, °C |
---|---|---|
900 | 780–820 | 600–650 |
Coefficients of Friction
coefficient of friction with lubrication | coefficient of friction without lubrication |
---|---|
0.0135 | 0.17 |
Analogues
Germany | USA |
---|---|
Ms58 | 60Cu-37.5Zn-2.0Pb |
2.038 |
Standards
Description of chemical elements
Element | Units of measurement | Description |
---|---|---|
Fe | % | Iron |
Sn | % | Tin |
Bi | % | Bismuth |
Cu | % | Copper |
Zn | % | Zinc |
Sb | % | Antimony |
Pb | % | Lead |
P | % | Phosphorus |
Description of physical characteristics
Parameter | Units of measurement | Description |
---|---|---|
$$E\cdot 10^{9}$$ | $$MPa$$ | Elastic modulus |
$$\alpha\cdot 10^{6}$$ | $$K^{-1}$$ | Coefficient of thermal (linear) expansion (range 20°C–T) |
$$\varkappa$$ | $$\frac{W}{m\cdot K}$$ | Coefficient of thermal conductivity (the heat capacity of the material) |
$$\rho$$ | $$\frac{kg}{m^3}$$ | The density of the material |
$$c\cdot 10^{-3}$$ | $$\frac{J}{kg\cdot K}$$ | The specific heat of the material (range 20°C–T) |
$$R\cdot 10^{-6}$$ | $$\Omega\cdot m$$ | Electrical resistivity |
Description of mechanical properties
Parameter | Units of measurement | Description |
---|---|---|
$$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |
$$\epsilon_L$$ | % | Elongation at break (longitudinal) |
Description of the casting and technological parameters
Parameter | Units of measurement | Description |
---|---|---|
melting point | °C | The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa |
Hot working temperature | °C | The temperature at which the plastic-deformed metal recrystallizes during the pressure treatment |
annealing temperature | °C | The temperature at which the processes return recrystallization and homogenization of the metal to reduce its hardness for subsequent machining |